There are
1,781 mi
from Round Rock, TX to Patchogue, NY
That's the driving distance. It would take 1 day 8 hours to go from Round Rock, Texas to Patchogue, New York.
The flight distance (direct flight from Round Rock, TX to Patchogue, NY) is 1,548.29 mi.
1,781 mi = 1.61 kms